3420388 has 12 divisors (see below), whose sum is σ = 5998720. Its totient is φ = 1706472.

The previous prime is 3420371. The next prime is 3420401. The reversal of 3420388 is 8830243.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2773 + ... + 3811.

Almost surely, 2^3420388 is an apocalyptic number.

It is an amenable number.

3420388 is a deficient number, since it is larger than the sum of its proper divisors (2578332).

3420388 is a wasteful number, since it uses less digits than its factorization.

3420388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866 (or 1864 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 3420388 is about 1849.4291011012. The cubic root of 3420388 is about 150.6694228575.

The spelling of 3420388 in words is "three million, four hundred twenty thousand, three hundred eighty-eight".